<!doctype html>
<style>
  @font-face {
    font-family: CustomFont;
    src: url("/fonts/Ahem.ttf");
  }
  svg { font: 25px/1 CustomFont }
  body { margin: 0 }
</style>
<svg width="800" height="80">
  <text x="0" y="0">Hello, world!</text>
</svg>
